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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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Developing El Niño becomes strongest on record weeks before expected peak

GS1History · Society · Geography· Geophysical phenomena (earthquakes, cyclones, volcanoes)· Prelims·

Climate change and meteorological phenomena: a key GS1 Geography topic regarding monsoon variability.

Why in news

Scientists reported that the developing El Niño has become the strongest on record as of September 19, 2026, surpassing the 2015 record.

Background

Daily sea surface temperatures reached 3.05°C above average on September 19, 2026. This surpassed the previous record of 3.02°C set in 2015. The phenomenon is currently causing reduced monsoon rainfall in India and fewer Atlantic hurricanes.

Facts for Prelims

  • FactEl Niño sea surface temperature record: 3.05°C above average (September 19, 2026)
  • FactPrevious El Niño temperature record: 3.02°C (2015)
  • EnvironmentEl Niño impacts: Reduced monsoon rainfall in India and fewer Atlantic hurricanes

Prelims practice question

What is the primary impact of the current El Niño phenomenon on India's weather patterns?

  1. (a)Increased cyclone frequency
  2. (b)Higher winter temperatures
  3. (c)Increased humidity levels
  4. (d)Reduced monsoon rainfall
Show answer

Answer: (d) Reduced monsoon rainfall — The note states that the phenomenon is currently causing reduced monsoon rainfall in India.

For Mains

Q. Discuss the impact of extreme El Niño events on India's monsoon patterns and suggest measures to mitigate climate-induced agricultural risks.

Dimensions to cover in your answer

  • Hydrological volatility: Reduced monsoon rainfall affecting groundwater recharge and irrigation cycles
  • Agricultural vulnerability: Crop yield fluctuations due to erratic precipitation and heat stress
  • Climate adaptation: Need for heat-resistant crop varieties and improved early warning systems

Keywords: El Niño · Monsoon variability · Climate change · Sea surface temperature · Meteorological phenomena

Read the full news →Report a mistake in this noteSource: BBC ↗Also: GS3 · Climate change & international agreements

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This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.